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occt/samples/OCCTOverview/code/MakeBottle.cxx
asuraven a2176e6524 0031570: Samples - add Qt samples similar to standard MFC samples 
Added Qt sample OCCTOverview providing examples of use of OCCT API with relevant code and demonstration of results in the viewer.

Off-topic: some unused images are removed from dox/introduction/images/
2020-10-06 20:40:23 +03:00

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// Copyright (c) 2020 OPEN CASCADE SAS
//
// This file is part of the examples of the Open CASCADE Technology software library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
#include "MakeBottle.h"
#include <BRep_Tool.hxx>
#include <BRepAlgoAPI_Fuse.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <BRepBuilderAPI_MakeWire.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepFilletAPI_MakeFillet.hxx>
#include <BRepLib.hxx>
#include <BRepOffsetAPI_MakeThickSolid.hxx>
#include <BRepOffsetAPI_ThruSections.hxx>
#include <BRepPrimAPI_MakeCylinder.hxx>
#include <BRepPrimAPI_MakePrism.hxx>
#include <GC_MakeArcOfCircle.hxx>
#include <GC_MakeSegment.hxx>
#include <GCE2d_MakeSegment.hxx>
#include <gp.hxx>
#include <gp_Ax1.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax2d.hxx>
#include <gp_Dir.hxx>
#include <gp_Dir2d.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Trsf.hxx>
#include <gp_Vec.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Surface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Geom2d_Ellipse.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Wire.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Compound.hxx>
#include <TopTools_ListOfShape.hxx>
TopoDS_Shape MakeBottle (const Standard_Real theWidth,
const Standard_Real theHeight,
const Standard_Real theThickness)
{
// Profile : Define Support Points
gp_Pnt aPnt1(-theWidth / 2., 0, 0);
gp_Pnt aPnt2(-theWidth / 2., -theThickness / 4., 0);
gp_Pnt aPnt3(0, -theThickness / 2., 0);
gp_Pnt aPnt4(theWidth / 2., -theThickness / 4., 0);
gp_Pnt aPnt5(theWidth / 2., 0, 0);
// Profile : Define the Geometry
Handle(Geom_TrimmedCurve) anArcOfCircle = GC_MakeArcOfCircle(aPnt2, aPnt3, aPnt4);
Handle(Geom_TrimmedCurve) aSegment1 = GC_MakeSegment(aPnt1, aPnt2);
Handle(Geom_TrimmedCurve) aSegment2 = GC_MakeSegment(aPnt4, aPnt5);
// Profile : Define the Topology
TopoDS_Edge anEdge1 = BRepBuilderAPI_MakeEdge(aSegment1);
TopoDS_Edge anEdge2 = BRepBuilderAPI_MakeEdge(anArcOfCircle);
TopoDS_Edge anEdge3 = BRepBuilderAPI_MakeEdge(aSegment2);
TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3);
// Complete Profile
gp_Ax1 xAxis = gp::OX();
gp_Trsf aTrsf;
aTrsf.SetMirror(xAxis);
BRepBuilderAPI_Transform aBRepTrsf(aWire, aTrsf);
TopoDS_Shape aMirroredShape = aBRepTrsf.Shape();
TopoDS_Wire aMirroredWire = TopoDS::Wire(aMirroredShape);
BRepBuilderAPI_MakeWire mkWire;
mkWire.Add(aWire);
mkWire.Add(aMirroredWire);
TopoDS_Wire myWireProfile = mkWire.Wire();
// Body : Prism the Profile
TopoDS_Face myFaceProfile = BRepBuilderAPI_MakeFace(myWireProfile);
gp_Vec aPrismVec(0, 0, theHeight);
TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile, aPrismVec);
// Body : Apply Fillets
BRepFilletAPI_MakeFillet mkFillet(myBody);
TopExp_Explorer anEdgeExplorer(myBody, TopAbs_EDGE);
while (anEdgeExplorer.More())
{
TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExplorer.Current());
//Add edge to fillet algorithm
mkFillet.Add(theThickness / 12., anEdge);
anEdgeExplorer.Next();
}
myBody = mkFillet.Shape();
// Body : Add the Neck
gp_Pnt neckLocation(0, 0, theHeight);
gp_Dir neckAxis = gp::DZ();
gp_Ax2 neckAx2(neckLocation, neckAxis);
Standard_Real myNeckRadius = theThickness / 4.;
Standard_Real myNeckHeight = theHeight / 10.;
BRepPrimAPI_MakeCylinder MKCylinder(neckAx2, myNeckRadius, myNeckHeight);
TopoDS_Shape myNeck = MKCylinder.Shape();
myBody = BRepAlgoAPI_Fuse(myBody, myNeck);
// Body : Create a Hollowed Solid
TopoDS_Face faceToRemove;
Standard_Real zMax = -1;
for (TopExp_Explorer aFaceExplorer(myBody, TopAbs_FACE); aFaceExplorer.More(); aFaceExplorer.Next())
{
TopoDS_Face aFace = TopoDS::Face(aFaceExplorer.Current());
// Check if <aFace> is the top face of the bottle<6C>s neck
Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
if (aSurface->DynamicType() == STANDARD_TYPE(Geom_Plane))
{
Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurface);
gp_Pnt aPnt = aPlane->Location();
Standard_Real aZ = aPnt.Z();
if (aZ > zMax)
{
zMax = aZ;
faceToRemove = aFace;
}
}
}
TopTools_ListOfShape facesToRemove;
facesToRemove.Append(faceToRemove);
BRepOffsetAPI_MakeThickSolid aSolidMaker;
aSolidMaker.MakeThickSolidByJoin(myBody, facesToRemove, -theThickness / 50, 1.e-3);
myBody = aSolidMaker.Shape();
// Threading : Create Surfaces
Handle(Geom_CylindricalSurface) aCyl1 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 0.99);
Handle(Geom_CylindricalSurface) aCyl2 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 1.05);
// Threading : Define 2D Curves
gp_Pnt2d aPnt(2. * M_PI, myNeckHeight / 2.);
gp_Dir2d aDir(2. * M_PI, myNeckHeight / 4.);
gp_Ax2d anAx2d(aPnt, aDir);
Standard_Real aMajor = 2. * M_PI;
Standard_Real aMinor = myNeckHeight / 10;
Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor);
Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor / 4);
Handle(Geom2d_TrimmedCurve) anArc1 = new Geom2d_TrimmedCurve(anEllipse1, 0, M_PI);
Handle(Geom2d_TrimmedCurve) anArc2 = new Geom2d_TrimmedCurve(anEllipse2, 0, M_PI);
gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0);
gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(M_PI);
Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1, anEllipsePnt2);
// Threading : Build Edges and Wires
TopoDS_Edge anEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(anArc1, aCyl1);
TopoDS_Edge anEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment, aCyl1);
TopoDS_Edge anEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(anArc2, aCyl2);
TopoDS_Edge anEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment, aCyl2);
TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(anEdge1OnSurf1, anEdge2OnSurf1);
TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(anEdge1OnSurf2, anEdge2OnSurf2);
BRepLib::BuildCurves3d(threadingWire1);
BRepLib::BuildCurves3d(threadingWire2);
// Create Threading
BRepOffsetAPI_ThruSections aTool(Standard_True);
aTool.AddWire(threadingWire1);
aTool.AddWire(threadingWire2);
aTool.CheckCompatibility(Standard_False);
TopoDS_Shape myThreading = aTool.Shape();
// Building the Resulting Compound
TopoDS_Compound aRes;
BRep_Builder aBuilder;
aBuilder.MakeCompound(aRes);
aBuilder.Add(aRes, myBody);
aBuilder.Add(aRes, myThreading);
return aRes;
}
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